A
Write in algebraic language
"Maria's age 5 years ago"
x-5
Write in algebraic language:
"The triple of a number plus seven"
3x+7
If x=3 and y=1, what is the numerical value of the algebraic expression: 3x2-5y?
22
Write in algebraic language:
"an odd number"
NOTE: Odd = Impar
2x+1 or 2x-1
If x=-2 and y=3, what is the numerical value of the algebraic expression: x4-6y
-2
What is the degree of the monomial 2xy3z2?
6
What is the coefficient of the monomial xy3?
1
Do the following operation:
3xy3 + 2yxy2 - 5xy + 2xy3
7xy3-5xy
What is the degree of the monomial -5xy
2
Do the following operation:
2x2y2 · 4xz2 : 2xz
4x2y2z
What is the degree of the polynomial 2xy3 + 6z - 4x3y2 + 2z2y2
5
P(x) = 12xy2 + 6xz - 4xy
Q(x) = 2xz - 5x2y +3xy2
Calculate P(x) + Q(x)
15xy2+8xz-4xy-5x2y
P(x) = 12xy2 + 6xz - 4xy
Q(x) = 9xz - 5x2y +3xy2
Calculate P(x) - Q(x)
9xy2-3xz-4xy+5x2y
What is the degree of the polynomial 2x5y - 6xz3 + z3 - 5yx5 + 7xy ?
4
P(x) = 3x3 + 6x - 3z
Calculate P(x) · (x-1)
3x4-3x3+6x2-6x-3xz+3z
Calculate (7xy2 - 3)(7xy2-3)
49x2y4 + 9 - 42xy2
P(x) = 4x2-1
Q(x) = 6x2+x+1
Calculate 2·P(x) - Q(x)
2x2-x-3
(3x+1)·(5x+2)
15x2+11x+2
(x4-2x2+2)·(x2-2x+3)
x6 −2x5 + x4 + 4x3 − 4x2 − 4x+6
Calculate (3x2+5y)(3x2+5y)
9x4+25y2+30x2y
Calculate:
(3x^3-2x^2+5)*(4x^2+3x-1)
12x^5+x^4-9x^3+22x^2+15x-5
Calculate:
(3x+2)*(x-3)+2x*(x-4)+5*(x^2-6x+3)
10x^2-45x+9
Calculate:
4*(3/2x^2+5/4x)+1/3*(15-6x^2+9x)
4x^2+8x+5
10x*(3/5x^2-1/2x)+5/6*(12x^2-18x+6)
6x^3+5x^2-15x+5
Calculate:
(3a+7b)*(a-b)+6a*(a-5b+8)+ab-a^2
8a^2-7b^2-25ab+48a